From Lucian Freud's stolen portrait of his friend Francis Bacon to a homemade dadaist grotto bombed in the second world war, here are the extraordinary tales of some of the world's most legendary lost artworks

Art critic Adrian Searle considers Joan Miró's The Hope of a Condemned Man, inspired by the execution of the Catalan anarchist Salvador Puig Antich and included in a new exhibition of Miró's work at London's Tate Modern

Correction: Salvador Puig Antich was executed for the apparent killing of a policeman, not an admiral, as stated in the film

We know Miró's paintings for their joyful celebration of life and colour. But they also contain ideas of freedom which, in Franco's Spain, were very dear to the Catalan painter. We look again at the man, and trace his personal journey through six extraordinary paintings

One of many incidental pleasures for Google users is the way Dennis Hwang produces special logos to celebrate various events, such as the Olympics or Einstein's birthday. The work of numerous artists has also been celebrated including, yesterday, Joan Miro. That, sadly, resulted in a fit of what looks like copyright insanity. As The Mercury News reports: